monochromatic

"My sister is painting her bedroom walls a cheerful yellow. "

"It’s a good thing that television doesn’t transmit smell."

"You can create the color orange by mixing yellow and red."

"She is a perceptive student who quickly understands complex ideas. "

"My younger sister is very good at distinguishing different types of flowers. "

"The lecture was quite uninspiring, and I almost fell asleep. "

"A chair is furniture. Sofas are also furniture."

"The blindness in his left eye prevented him from seeing the small print on the homework assignment. "

"These shoes only differ from those ones in having slightly longer laces."

"The old, lifeless doll lay forgotten in the dusty corner of the attic. "

"The teacher gave a good example of a sentence using the past tense. "

"The artist's painting represented the beauty of the sunset over the ocean. "